Outputs (49)

Performance of clay stabilized by cementitious materials and inclusion of zeolite/alkaline metals-based additive (2020)
Journal Article
Eyo, E. U., Ng'ambi, S., & Abbey, S. J. (2020). Performance of clay stabilized by cementitious materials and inclusion of zeolite/alkaline metals-based additive. Transportation Geotechnics, 23, Article 100330. https://doi.org/10.1016/j.trgeo.2020.100330

RoadCem (RC) is a by-product additive produced based on nanotechnology and comprises of synthetic zeolites and alkali earth metals as some of its components. The geotechnical properties of a soil stabilized by adding RC to partly replaced cementitiou... Read More about Performance of clay stabilized by cementitious materials and inclusion of zeolite/alkaline metals-based additive.

Swell and microstructural characteristics of high-plasticity clay blended with cement (2019)
Journal Article
Abbey, S. J., Eyo, E. U., & Ngambi, S. (2020). Swell and microstructural characteristics of high-plasticity clay blended with cement. Bulletin of Engineering Geology and the Environment, 79, 2119-2130. https://doi.org/10.1007/s10064-019-01621-z

This study presents the effect of high plasticity on swell potential, swelling pressure and micro structural characteristics of kaolinite-bentonite mixed clays. Five different combining ratios of kaolinite bentonite mixture of 100:0, 90:10, 75:25, 50... Read More about Swell and microstructural characteristics of high-plasticity clay blended with cement.

Effect of organic matter on swell and undrained shear strength of treated soils (2019)
Journal Article
Abbey, S. J., Omotayo Olubanwo, A., Ngambi, S., Umo Eyo, E., & Adeleke, B. O. (2019). Effect of organic matter on swell and undrained shear strength of treated soils. Journal of Civil, Construction and Environmental Engineering, 4(2), 48-58. https://doi.org/10.11648/j.jccee.20190402.12

This paper presents a laboratory and statistical study on swell and undrained shear strength of cemented organic clays blended with eco-friendly (by-product) cementitious materials such as ground granulated blast slag (GGBS) and cement kiln dust (CKD... Read More about Effect of organic matter on swell and undrained shear strength of treated soils.

Numerical investigation of tension reinforcement lap length of eurocode 2 using a four-point beam loading system (2019)
Journal Article
Adeleke, B. O., Abbey, S. J., & Olubanwo, A. O. (2019). Numerical investigation of tension reinforcement lap length of eurocode 2 using a four-point beam loading system. Latin American Journal of Solids and Structures, 16(5), Article e197. https://doi.org/10.1590/1679-78255532

© 2019 Latin American Journal of Solids and Structures. All rights reserved. This report presents a computational research on Eurocode 2 (EC2) tension lap lengths (lo) design in a normally reinforced concrete beam, using ANSYS Workbench simulation so... Read More about Numerical investigation of tension reinforcement lap length of eurocode 2 using a four-point beam loading system.

Dynamic analysis of Footbridge to Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt) (2019)
Journal Article
Ngekpe, B. E., Gualo, C., & Abbey, S. J. (2019). Dynamic analysis of Footbridge to Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt). Jordan Journal of Civil Engineering, 13(1),

This research project presents a dynamic structural analysis of footbridges as per Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt). The footbridge was simulated using a commercial finite element software; Midas FEA. The crowd-fo... Read More about Dynamic analysis of Footbridge to Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt).

Development of improved models for estimation of bursting stresses in elements under high-concentrated load (2018)
Journal Article
Boye, B. A., Abbey, S. J., Ngambi, S., & Fonte, J. (2019). Development of improved models for estimation of bursting stresses in elements under high-concentrated load. Latin American Journal of Solids and Structures, 16(1), 1-15. https://doi.org/10.1590/1679-78255031

© 2019, Brazilian Association of Computational Mechanics. All rights reserved. In precast concrete segmental tunnels, radial and circumferential joints are often the most highly stressed parts and it is therefore important to use appropriate equation... Read More about Development of improved models for estimation of bursting stresses in elements under high-concentrated load.

Effect of intrinsic microscopic properties and suction on swell characteristics of compacted expansive clays (2018)
Journal Article
Eyo, E. U., Ng'ambi, S., & Abbey, S. J. (2019). Effect of intrinsic microscopic properties and suction on swell characteristics of compacted expansive clays. Transportation Geotechnics, 18, 124-131. https://doi.org/10.1016/j.trgeo.2018.11.007

© 2018 Elsevier Ltd The complex swelling mechanism in expansive clays during moisture ingress can be succinctly explained by an examination of their core mineralogy, microfabric, grain size and suction response. This note has attempted to investigate... Read More about Effect of intrinsic microscopic properties and suction on swell characteristics of compacted expansive clays.

Structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab (2018)
Journal Article
Ngekpe, B. E., Abbey, S. J., & Olubanwo, A. O. (2019). Structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab. https://doi.org/10.5267/j.esm.2018.11.001

© 2018 by the authors; licensee Growing Science, Canada. This paper presents a study on the structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab. The structural performance was investigat... Read More about Structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab.

Strength and Hydraulic Conductivity of Cement and By -Product Cementitious Materials Improved Soil (2018)
Journal Article
Abbey, S. J., Ngambi, S., Olubanwo, A. O., & Tetteh, F. K. (2018). Strength and Hydraulic Conductivity of Cement and By -Product Cementitious Materials Improved Soil. International Journal of Applied Engineering Research, 13(10), 8684-8694

This paper presents an experimental investigation on strength and hydraulic conductivity of a fine grained soil mixed with cement, Pulverised Fly Ash and Ground Granulated Blast Slag. Strength and permeability are important properties that defines th... Read More about Strength and Hydraulic Conductivity of Cement and By -Product Cementitious Materials Improved Soil.

Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads (2018)
Journal Article
Boye, B. A., Abbey, S. J., Olubanwo, A. O., & Fonte, J. (2018). Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads. International Journal of Applied Engineering Research, 13(9), 6979-6988

When a precast concrete tunnel lining is loaded, the joints rotate as the lining deforms leading to varying contact lengths. This paper presents a numerical study on a precast concrete segment joint subjected to a high compressive loading, using nonl... Read More about Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads.